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The Disciplined Disciple Compiler (DDC)

Disciple is a dialect of Haskell that uses strict evaluation as the default, and supports arbitrary destructive update, effect and closure typing, type directed field projections and allied functional goodness. Many Haskell programs are also Disciple programs, or will run with minor changes. Our target applications are the ones that you always find yourself writing C programs for, because existing functional languages are too slow, use too much memory, or don't let you update the data that you need to.

DDC is still in the "research prototype" stage, meaning that it will compile some programs if you are nice to it, but expect compiler panics and missing features. However, it is under active development and it is becoming more stable on a daily basis.

State of Play

This section records what the DDC developers are actively working on. If you're hacking on something DDC related then by all means add yourself here. Records are dropped off if they haven't been updated for more than a month.

Ben (benl23) -- updated 5th August 2010

I've rewritten the core type checker, and am currently replacing calls to the old from Core.Reconstruct. This will require cleaning up the lambda lifter.

Once that's done we should be able to check the core program from just after Core.Thread through to Core.ToSea?.

Erik de Castro Lopo (m3ga) -- updated 18th Aug 2010

Started work on an LLVM backend. The idea is to have a -via-llvm command line option which would then generate object files using LLVM. The LLVM generated object files will be compatible with the object files generated using the C backend for easier debugging. Another goal for the backend is to make it easier to bootstrap the compiler (compile DDC with DDC) and to port the compiler to new platforms and architectures.

I'm pretty much stalled on all the current bugs and waiting for Ben to finish the refactoring at which time I'll have another crack at them.